He's almost 200! What? You were expecting When Lilacs Last in the Dooryard Bloomed?Good morning! RT if you'd rather be running naked through a cornfield singing, "This Land is My Land!"
— Walt Whitman (@TheWaltWhitman) May 21, 2013
For a much more reverent mashup of Whitman, NASA, and Sagan, try this
via Brain Pickings
Comments aren't ready yet, so I'll just add this in the body of the post: don't miss this fan letter to Walt Whitman at Explore: May my right-hand wither if I don’t tell the world before another week, what one woman thinks of you.